﻿    <p>
      <em>IfcSimpleValue</em> is a select type for selecting between
      simple value types.
    </p>
    <p>
      SELECT
    </p>
    <ul>
      <li>
        <em>IfcInteger</em>: Defined type of simple type INTEGER.
      </li>
      <li>
        <em>IfcReal</em>: Defined type of simple type REAL.
      </li>
      <li>
        <em>IfcBoolean</em>: Defined type of simple type BOOLEAN.
      </li>
      <li>
        <em>IfcLogical</em>: Defined type of simple type LOGICAL.
      </li>
      <li>
        <em>IfcIdentifier</em>: Defined type of simple type STRING
        for identification purposes.
      </li>
      <li>IfcLabel: Defined type of simple type STRING for naming
      purposes.
      </li>
      <li>
        <em>IfcText</em>: Defined type of simple type STRING for
        descriptive purposes.
      </li>
      <li>
        <em>IfcDateTime</em>: Defined type of simple type STRING to
        represent a date and time.
      </li>
      <li>
        <em>IfcDate</em>: Defined type of simple type STRING to
        represent a date.
      </li>
      <li>
        <em>IfcTime</em>: Defined type of simple type STRING to
        represent a time.
      </li>
      <li>
        <em>IfcDuration</em>: Defined type of simple type STRING to
        represent a duration.
      </li>
      <li>
        <em>IfcTimeStamp</em>: Defined type of simple type INTEGER
        to represent a point in time by seconds elapsed since
        1970.
      </li>
    </ul>
    <blockquote class="history">
      <em>HISTORY&nbsp; New type in IFC2x.</em>
    </blockquote>
    <blockquote class="change-ifc2x4">
      <em>IFC4 CHANGE&nbsp; Items <em>IfcDateTime</em>,
      <em>IfcDate</em>, <em>IfcTime</em>, <em>IfcDuration</em>,
      <em>IfcTimeStamp</em> added.</em>